Dipolog in context: Street-network sprawl trends

Dipolog in context

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
DipologZamboanga del Norte (Region)Philippines (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dipolog plotted against Zamboanga del Norte and Philippines. While Zamboanga del Norte and Philippines both rose steadily, Dipolog's new street additions rose steadily. Most recently, Dipolog's incremental SNDi rose from 4.97 to 5.64 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dipolog ranked 1st out of 1 cities in Zamboanga del Norte and 27th out of 114 in Philippines as of 2020.

New Street Additions (2006–2020)

SNDi value
5.64
Rank in Philippines
56th of 114
Rank in Zamboanga del Norte
1st of 1

Entire Network (Aggregate)

SNDi value
4.03
Rank in Philippines
27th of 114
Rank in Zamboanga del Norte
1st of 1

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
DipologFada N'GourmaHeilbronn

While Fada N'Gourma and Heilbronn both fluctuated in its street-construction patterns, Dipolog built increasingly disconnected streets over time in new street additions. For the full street network, though, all three cities follow the same trend. Dipolog and Fada N'Gourma have been growing further apart in their street-network character since 1975.